html, body{
    width: 100%;
    height: 100%;
    background-color: antiquewhite;
    /*overflow: hidden;  !*取消iframe滚动条*!*/
    margin: 0;
}
.title{
    font-family: 华文隶书, serif;
    font-size: 26px;
    margin-left: 300px;
}
.data{
    width: 70%;
    position: relative;
    left: 15%;
}
.book{
    text-align: center;
    height: 70px;
    font-family: 微软雅黑, serif;
    font-size: 26px;
}
.book:hover{
    color: aqua;
}
.book_div{
    border: 1px solid #000;
}
.book_detail{
    text-align: center;
    font-family: 微软雅黑, serif;
    font-size: 26px;
}